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Multiple epiphyseal dysplasia, with severe proximal femoral dysplasia is a rare primary bone dysplasia characterized by severe, early-onset dysplasia of the proximal femurs, with almost complete absence of the secondary ossification centers and abnormal development of the femoral necks (short and broad with irregular metaphyses). It is associated with gait abnormality, mild short stature, arthralgia, joint stiffness with limited mobility of the hips and irregular acetabula, and hip and knee pain. Coxa vara and mild spinal changes are also associated.
Features include: Hand abnormalities (abnormality of the hand), Proximal femoral metaphyseal irregularity, Arthralgia of the hip, and Broad femoral neck and 10 more.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Bones and joints | 8 | Proximal femoral metaphyseal irregularity, Arthralgia of the hip, Broad femoral neck |
Biomarker and diagnostic research for multiple epiphyseal dysplasia, with severe proximal femoral dysplasia has been reported in the published literature.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
No clinical trials have been registered for multiple epiphyseal dysplasia, with severe proximal femoral dysplasia.
9 publications have been identified in PubMed for multiple epiphyseal dysplasia, with severe proximal femoral dysplasia. Research spans Review / Meta-Analysis (33%), Diagnostic / Biomarker (22%), and Case Report / Case Series (22%).
Tsujioka Y (2026). [PMID: 42094029](https://pubmed.ncbi.nlm.nih.gov/42094029/). *Mol Syndromol*. [Review / Meta-Analysis]
Yeter B (2025). [PMID: 39849673](https://pubmed.ncbi.nlm.nih.gov/39849673/). *J Clin Res Pediatr Endocrinol*. [Diagnostic / Biomarker]
Johnson JL (2025). [PMID: 40523242](https://pubmed.ncbi.nlm.nih.gov/40523242/). *J Am Acad Orthop Surg*. [Review / Meta-Analysis]
Wu J (2025). [PMID: 41208219](https://pubmed.ncbi.nlm.nih.gov/41208219/). *Am J Case Rep*. [Case Report / Case Series]
Vallin AL (2025). [PMID: 39643117](https://pubmed.ncbi.nlm.nih.gov/39643117/). *J Gynecol Obstet Hum Reprod*. [Diagnostic / Biomarker]
Data assembled from 5 of 12 sources · Last updated Sep 20, 2026, 9:36 PM UTC
Online Mendelian Inheritance in Man
European rare disease database
Genetic and Rare Diseases Info Center
Arms and legs
1 |
Hand abnormalities (abnormality of the hand) |
Growth and development | 1 | Short stature |
Daşar T (2025). [PMID: 40392407](https://pubmed.ncbi.nlm.nih.gov/40392407/). *Eur J Pediatr*. [Epidemiology / Natural History]
Güneş N (2025). [PMID: 39825918](https://pubmed.ncbi.nlm.nih.gov/39825918/). *Pediatr Radiol*. [Epidemiology / Natural History]
Presedo A (2024). [PMID: 39062293](https://pubmed.ncbi.nlm.nih.gov/39062293/). *Children (Basel)*. [Review / Meta-Analysis]
Paris E (2024). [PMID: 39902226](https://pubmed.ncbi.nlm.nih.gov/39902226/). *Front Pediatr*. [Case Report / Case Series]